Index: firmware/App/Modes/ModeGenDialysate.c
===================================================================
diff -u -r5ce558e3f4df026c6a28bc03220d4c2641c4b5ff -r164caef29ce2882549068277843aae33298d6ef2
--- firmware/App/Modes/ModeGenDialysate.c	(.../ModeGenDialysate.c)	(revision 5ce558e3f4df026c6a28bc03220d4c2641c4b5ff)
+++ firmware/App/Modes/ModeGenDialysate.c	(.../ModeGenDialysate.c)	(revision 164caef29ce2882549068277843aae33298d6ef2)
@@ -239,7 +239,7 @@
             //setDialysatePumpTargetRPM( D12_PUMP, FRESH_DIAL_PUMP_INITIAL_RPM, FALSE );
             setDialysatePumpTargetRPM( D12_PUMP, FRESH_DIAL_PUMP_INITIAL_RPM, TRUE );
             //setDialysatePumpTargetRPM( D48_PUMP, SPENT_DIAL_PUMP_INITIAL_RPM, FALSE );
-            setDialysatePumpTargetRPM( D48_PUMP, d48PumpSpeed, TRUE );
+            //setDialysatePumpTargetRPM( D48_PUMP, d48PumpSpeed, TRUE );   // Disabled for Dialin manual D48 control tests
 
             //Rinse pump On
             setRinsePumpState( RINSE_PUMP_STATE_ON );
@@ -267,7 +267,7 @@
             //setDialysatePumpTargetRPM( D12_PUMP, FRESH_DIAL_PUMP_INITIAL_RPM, FALSE );
             setDialysatePumpTargetRPM( D12_PUMP, FRESH_DIAL_PUMP_INITIAL_RPM, TRUE );
             //setDialysatePumpTargetRPM( D48_PUMP, SPENT_DIAL_PUMP_INITIAL_RPM, FALSE );
-            setDialysatePumpTargetRPM( D48_PUMP, d48PumpSpeed, TRUE );
+            //setDialysatePumpTargetRPM( D48_PUMP, d48PumpSpeed, TRUE );   // Disabled for Dialin manual D48 control tests
 
             //Rinse pump On
             setRinsePumpState( RINSE_PUMP_STATE_ON );
@@ -300,7 +300,7 @@
             startHeater( D5_HEAT );
 
             setDialysatePumpTargetRPM( D12_PUMP, FRESH_DIAL_PUMP_INITIAL_RPM, TRUE );
-            setDialysatePumpTargetRPM( D48_PUMP, SPENT_DIAL_PUMP_FILL_RPM, TRUE );
+            //setDialysatePumpTargetRPM( D48_PUMP, SPENT_DIAL_PUMP_FILL_RPM, TRUE );   // Disabled for Dialin manual D48 control tests
 
             //Rinse pump On
             setRinsePumpState( RINSE_PUMP_STATE_ON );
@@ -337,7 +337,7 @@
             setRinsePumpState( RINSE_PUMP_STATE_ON );
 
             setDialysatePumpTargetRPM( D12_PUMP, FRESH_DIAL_PUMP_INITIAL_RPM, TRUE );
-            setDialysatePumpTargetRPM( D48_PUMP, d48PumpSpeed, TRUE );
+            //setDialysatePumpTargetRPM( D48_PUMP, d48PumpSpeed, TRUE );   // Disabled for Dialin manual D48 control tests
             break;
 
         case DD_GEND_DIALYSATE_DELIVERY_PAUSE:
@@ -608,7 +608,7 @@
 {
     F32 dialFlowrate   = getTDDialysateFlowrate();
     F32 calculatedRpm  = ( PUMP_SPEED_SLOPE_FACTOR * dialFlowrate ) + PUMP_SPEED_INTERCEPT_FACTOR;
-    U32 maxD48Rpm      = getMaxDialysatePumpRpm();
+    U32 maxD48Rpm     = getMaxDialysatePumpRpm();   /* D48: 1300 when Diener 1000, else 2650 */
 
     if ( calculatedRpm < (F32)MIN_DIALYSATE_PUMP_RPM )
     {